Idioms are fun figures of speech where the words together have a different meaning than what they say literally. People use them every day to make speaking and writing much more colorful and exciting. In this article, you will learn fifty special expressions connected to exhaustion, low energy, and being very tired.
In this lesson, we’ll look at idioms that mean feeling completely worn out, lacking energy, or needing rest. Let’s get started and explore some of these helpful expressions.
Idioms for Very Tired
1. Beat a dead horse
Definition: To waste your remaining energy on a task that is already finished or pointless.
Used in a Sentence: After studying for four hours straight, trying to memorize more grammar rules felt like beating a dead horse. / The coach told us to stop arguing about the missed play because it was like beating a dead horse.
Similar Expressions: Waste energy / Futile effort
2. Burn the candle at both ends
Definition: To exhaust yourself by staying up very late and waking up extremely early.
Used in a Sentence: Working on the science fair project all night meant he was burning the candle at both ends. / If you keep burning the candle at both ends with sports and clubs, you will crash by Friday.
Similar Expressions: Overwork yourself / Exhaust stamina
3. Out on your feet
Definition: So extremely tired and sleepy that you can barely stand up straight.
Used in a Sentence: After running the entire soccer field for ninety minutes, the forward was out on his feet. / She worked double shifts at the family diner until she was out on her feet.
Similar Expressions: Completely exhausted / Barely standing
4. Run on fumes
Definition: Operating with very little remaining energy or stamina left in your body.
Used in a Sentence: Staying up late playing video games left him running on fumes during math class the next morning. / By the final quarter of the game, our basketball players were running on fumes.
Similar Expressions: Low energy / Exhausted stamina
5. Dead on your feet
Definition: Feeling a profound physical and mental weariness after hard labor or play.
Used in a Sentence: Carrying boxes during the house move all Saturday left us feeling dead on our feet. / After hiking up the steep mountain trail, the campers were dead on their feet.
Similar Expressions: Utterly worn out / Physically drained
6. Beat tired
Definition: A deep, overwhelming sense of fatigue that affects your whole body.
Used in a Sentence: After swimming fifty laps in the community pool, my arms felt beat tired. / He collapsed onto the sofa feeling completely beat tired after soccer practice.
Similar Expressions: Very weary / Worn out
7. Wiped out
Definition: Having zero energy left after an intense and demanding day.
Used in a Sentence: Cleaning the entire garage from top to bottom left me completely wiped out. / The gymnastics team was wiped out after practicing their routines all afternoon.
Similar Expressions: Drained / Exhausted
8. Drop in your tracks
Definition: To collapse in exhaustion right where you are standing because you are too tired to move.
Used in a Sentence: The puppy played fetch for hours until he thought he would drop in his tracks. / After walking ten miles at the theme park, I felt ready to drop in my tracks.
Similar Expressions: Collapse from fatigue / Fall exhausted
9. Beat to the socks
Definition: Feeling thoroughly exhausted from the top of your head to your feet.
Used in a Sentence: Working in the garden under the hot sun all day left grandpa beat to the socks. / After the long bus ride home from the field trip, the kids were beat to the socks.
Similar Expressions: Thoroughly tired / Completely worn
10. Run yourself ragged
Definition: To exhaust yourself completely by running around and doing too many chores.
Used in a Sentence: Organizing the neighborhood yard sale ran her ragged by the time evening arrived. / Don’t run yourself ragged trying to bake treats for every single classmate.
Similar Expressions: Overexert yourself / Tire out completely
11. Sleep like a log
Definition: To sleep deeply and heavily because you are so extremely tired.
Used in a Sentence: After the long camping trip, the kids crawled into their beds and slept like logs. / He was so exhausted from the big game that he slept like a log all night.
Similar Expressions: Deep slumber / Heavy sleep
12. Out cold
Definition: Unconscious or fast asleep instantly due to overwhelming exhaustion.
Used in a Sentence: Within two minutes of hitting the pillow after his exam, he was out cold. / The tired baby fell asleep in the car seat and stayed out cold until home.
Similar Expressions: Fast asleep / Deeply unconscious
13. Dead to the world
Definition: Sleeping so soundly that nothing around you can wake you up.
Used in a Sentence: Mom tried to wake him for breakfast, but he was dead to the world after his late shift. / The exhausted puppy curled up on the rug and was dead to the world.
Similar Expressions: Sound asleep / Unconscious of surroundings
14. Hit the hay
Definition: To go to bed because you are too tired to stay awake any longer.
Used in a Sentence: After an exhausting day of final exams, I am ready to hit the hay early. / Turn off the television and let’s hit the hay so we wake up fresh.
Similar Expressions: Go to bed / Retire for night
15. Saw logs
Definition: To sleep deeply and loudly because fatigue has taken over.
Used in a Sentence: Uncle Bob always starts sawing logs on the sofa after Thanksgiving dinner. / By midnight, everyone in the tent was sawing logs after the long hike.
Similar Expressions: Snore loudly / Sleep soundly
16. Power down
Definition: To shut down your active energy and rest your tired mind.
Used in a Sentence: After staring at the computer screen for six hours, my brain needs to power down. / He likes to listen to soft music to help power down before sleep.
Similar Expressions: Rest mind / Shut down
17. Run out of gas
Definition: To lose all your physical energy and momentum right in the middle of an activity.
Used in a Sentence: Our relay team started fast, but we ran out of gas during the final lap. / If you don’t eat a healthy snack, you will run out of gas during gym class.
Similar Expressions: Lose steam / Tire out
18. Fade fast
Definition: To lose alertness, focus, and energy very quickly as the evening progresses.
Used in a Sentence: Little kids tend to fade fast once dinner time passes and bedtime approaches. / My concentration started to fade fast during the late-night study session.
Similar Expressions: Lose energy / Grow weary
19. All washed up
Definition: Feeling completely drained of strength and unable to do any more work.
Used in a Sentence: After digging holes for the fence posts all morning, I felt all washed up. / His energy was all washed up by the time he finished mowing the lawn.
Similar Expressions: Completely drained / Finished for day
20. Drag your feet
Definition: To walk slowly and heavily because your legs feel weighted down by fatigue.
Used in a Sentence: The children started dragging their feet on the long walk back from the park. / When the alarm went off at dawn, I found myself dragging my feet down the hall.
Similar Expressions: Walk sluggishly / Move slowly
21. Sapped of strength
Definition: Having all your physical power drained away by hard work or sickness.
Used in a Sentence: Fighting off the winter flu left her feeling completely sapped of strength. / Lifting heavy boxes all afternoon left my muscles sapped of strength.
Similar Expressions: Drained of power / Weakened
22. Heavy-lidded
Definition: Having sleepy, drooping eyes because you are struggling to stay awake.
Used in a Sentence: During the late afternoon lecture, the student looked heavy-lidded and drowsy. / She blinked her heavy-lidded eyes, trying hard to focus on the reading passage.
Similar Expressions: Sleepy eyes / Drooping gaze
23. Run ragged
Definition: Exhausted from being constantly pushed to do tasks without a break.
Used in a Sentence: Managing three younger siblings all afternoon left him feeling run ragged. / The puppy ran us ragged with his endless desire to play fetch.
Similar Expressions: Overworked / Exhausted
24. Past your bedtime
Definition: Being so tired that your body is begging you to sleep.
Used in a Sentence: Rubbing his eyes at the party, he realized it was long past his bedtime. / Operating on hours past your bedtime always makes the next morning difficult.
Similar Expressions: Overly sleepy / Exhausted late
25. Ready for bed
Definition: Reaching the exact point of fatigue where rest is the only priority.
Used in a Sentence: After brushing my teeth and reading a chapter, I was more than ready for bed. / The tired travelers arrived home and were instantly ready for bed.
Similar Expressions: Prepared for sleep / Eager to rest
26. Sleepwalking through the day
Definition: Moving through your daily routine in a drowsy, half-asleep daze due to poor rest.
Used in a Sentence: Staying up late to watch movies left me sleepwalking through the day at school. / Without enough coffee or rest, he spent the morning sleepwalking through his chores.
Similar Expressions: Acting drowsy / Dazed routine
27. Foggy brain
Definition: A state of mental sluggishness and confusion caused by severe lack of sleep.
Used in a Sentence: Trying to solve math riddles with a foggy brain is nearly impossible. / Her late-night studying resulted in a foggy brain during the morning test.
Similar Expressions: Mental blur / Unclear thoughts
28. Heavy arms and legs
Definition: Limbs feeling dense, heavy, and difficult to lift due to deep tiredness.
Used in a Sentence: Climbing four flights of stairs left my arms and legs feeling heavy as iron. / After swimming laps for an hour, his heavy arms and legs begged for rest.
Similar Expressions: Weighted limbs / Sore muscles
29. Ready to drop
Definition: So utterly exhausted that you feel like you might collapse at any moment.
Used in a Sentence: Working the double shift at the bakery left the baker ready to drop. / The kids played tag all afternoon until they were ready to drop.
Similar Expressions: Ready to collapse / Exhausted
30. Out of gas
Definition: Completely depleted of physical or mental stamina.
Used in a Sentence: When my presentation notes ran out, I felt totally out of gas. / The long bike ride up the steep hill left us out of gas.
Similar Expressions: Depleted energy / Tired out
31. Sinking fast
Definition: Losing consciousness, alertness, and wakefulness rapidly in the evening.
Used in a Sentence: Sitting in the cozy armchair after dinner, grandfather was sinking fast. / The sleepy toddler was sinking fast during the long car ride home.
Similar Expressions: Growing drowsy / Fading fast
32. Yawning your head off
Definition: Showing obvious signs of severe tiredness through repeated yawns.
Used in a Sentence: During the quiet history video, everyone in the back row was yawning their heads off. / You have been yawning your head off all evening, so it is time for sleep.
Similar Expressions: Very sleepy / Constant yawning
33. All tuckered out
Definition: A friendly way to say you are completely out of energy and ready for rest.
Used in a Sentence: After playing in the sandbox all morning, the toddler was all tuckered out. / The energetic puppy finally stopped barking and looked all tuckered out.
Similar Expressions: Fully exhausted / Tired out
34. Slumped over
Definition: Sitting or standing with bad posture because your neck and back muscles are too tired.
Used in a Sentence: Finding him slumped over his desk with a pencil in his hand showed how tired he was. / She sat on the bus ride home slumped over against the window.
Similar Expressions: Slouched resting / Drooping posture
35. Beat down
Definition: Feeling worn out and physically defeated by a long, hard day of labor.
Used in a Sentence: Shoveling heavy snow for two hours left everyone feeling beat down. / The relentless sun and hard work left the construction crew beat down.
Similar Expressions: Worn down / Exhausted
36. Walking in a daze
Definition: Moving around slowly and unsteadily because your brain is desperate for sleep.
Used in a Sentence: On three hours of sleep, I spent the entire morning walking in a daze. / He forgot his lunchbox and walked in a daze down the hallway.
Similar Expressions: Drowsy walk / Sleepy daze
37. Eyes burning
Definition: A sharp physical sensation in your eyes caused by staring and fatigue.
Used in a Sentence: Working on the computer past midnight left my eyes burning and dry. / Staring at the tiny puzzle pieces made his eyes burning and tired.
Similar Expressions: Strained eyes / Sore vision
38. Running on empty
Definition: Having zero emotional or physical fuel left to keep going.
Used in a Sentence: Balancing three clubs and schoolwork left her running on empty by Thursday. / When the team lost the lead, they felt like they were running on empty.
Similar Expressions: Depleted fuel / Zero energy
39. Sleep-deprived
Definition: Suffering from a severe shortage of necessary rest over multiple nights.
Used in a Sentence: Being sleep-deprived makes it hard to pay attention during morning announcements. / The students looked tired and sleep-deprived during early tutoring.
Similar Expressions: Lacking rest / Tired out
40. Zoned out
Definition: Staring blankly into space because your tired brain has stopped processing information.
Used in a Sentence: After reading the textbook for two hours, my mind simply zoned out. / He stared at the chalkboard, totally zoned out from exhaustion.
Similar Expressions: Daydreaming / Mentally absent
41. Knackered
Definition: A common casual expression meaning completely worn out and exhausted.
Used in a Sentence: After the cross-country championship race, all the runners felt totally knackered. / Helping dad stack firewood all afternoon left me feeling knackered.
Similar Expressions: Worn out / Exhausted
42. Out like a light
Definition: Falling asleep instantly the moment your head touches the pillow.
Used in a Sentence: Once his head hit the soft mattress, he was out like a light. / The sleepy kitten curled up in the basket and went out like a light.
Similar Expressions: Fast asleep / Instant rest
43. Nodding off
Definition: Involuntarily letting your head drop as you drift into sleep while sitting up.
Used in a Sentence: Sitting in the warm library reading nook made me start nodding off. / The tired passenger on the bus kept nodding off before his stop.
Similar Expressions: Drowsing / Falling asleep
44. Brain fried
Definition: Mentally exhausted from doing too much difficult thinking or studying.
Used in a Sentence: After finishing the advanced calculus test, my brain was completely fried. / Trying to learn twenty new vocabulary words left his brain fried.
Similar Expressions: Mentally exhausted / Brain tired
45. Ready for a nap
Definition: Needing a short daytime rest because you woke up too early.
Used in a Sentence: After playing soccer in the hot sun, the young athletes were ready for a nap. / The long morning of chores left grandpa ready for a nap in his armchair.
Similar Expressions: Needing rest / Ready to slumber
46. Dog-tired
Definition: Exhausted to the bone from working or playing hard all day long.
Used in a Sentence: Returning from the family camping trip left us feeling dog-tired. / After planting flowers in the garden all Saturday, she felt dog-tired.
Similar Expressions: Extremely tired / Worn out
47. Sleep-heavy
Definition: Feeling a deep, gravitational pull toward your bed because of fatigue.
Used in a Sentence: Waking up at dawn made my eyelids feel heavy and sleep-heavy. / The cozy blanket made the cold morning feel extra sleep-heavy.
Similar Expressions: Drowsy / Pulling toward sleep
48. Exhausted to the core
Definition: A deep, absolute tiredness that reaches into your soul.
Used in a Sentence: Running the marathon across the city left her exhausted to the core. / After the stressful week of moving, the family felt exhausted to the core.
Similar Expressions: Deeply tired / Absolute exhaustion
49. Weary-eyed
Definition: Having tired eyes that show the visible signs of needing sleep.
Used in a Sentence: The late-night studying left the weary-eyed students blinking in the morning light. / She looked in the mirror and noticed her weary-eyed reflection.
Similar Expressions: Tired eyes / Sleepy look
50. Bedtime bound
Definition: Heading straight toward your bedroom because you cannot stay awake any longer.
Used in a Sentence: Yawning and stretching, the tired children announced they were bedtime bound. / After turning off the kitchen lights, we were finally bedtime bound.
Similar Expressions: Going to sleep / Heading to bed
Exercise to Practice
- After studying for four hours straight, trying to memorize more grammar rules felt like beating a dead horse.
- Working on the science fair project all night meant he was burning the candle at both ends.
- After running the entire soccer field for ninety minutes, the forward was out on his feet.
- Staying up late playing video games left him running on fumes during math class the next morning.
- Carrying boxes during the house move all Saturday left us feeling like a shiny red bicycle.
- After swimming fifty laps in the community pool, my arms felt beat tired.
- Cleaning the entire garage from top to bottom left me completely wiped out.
- The puppy played fetch for hours until he thought he would drop in his tracks.
- Working in the garden under the hot sun all day left grandpa beat to the socks.
- Organizing the neighborhood yard sale ran her ragged by the time evening arrived.
- After the long camping trip, the kids crawled into their beds and slept like logs.
- Within two minutes of hitting the pillow after his exam, he was out cold.
- Mom tried to wake him for breakfast, but he was dead to the world after his late shift.
- After an exhausting day of final exams, I am ready to hit the hay early.
- Uncle Bob always starts sawing logs on the sofa after Thanksgiving dinner by reading a dictionary.
Answer Key
- True
- True
- True
- True
- False
- True
- True
- True
- True
- True
- True
- True
- True
- True
- False
Conclusion
Learning these idioms helps you understand English much better and gives you fun new ways to talk about exhaustion, low energy, and being very tired. You can use them when describing late-night study sessions, long sports practices, or cozy bedtimes with your friends and family.
Try using one or two of these expressions in a conversation or a story this week. Not only will your writing sound more exciting, but you will also have fun practicing your new skills.
Frequently Asked Questions
What are some common idioms for very tired?
Some common idioms include burn the candle at both ends, sleep like a log, and hit the hay. These expressions are often used in everyday conversation to describe fatigue and sleepiness.
Why do we use idioms in English?
Idioms make our language much more colorful, expressive, and fun than using plain words. They help us share big ideas and feelings in creative ways that people easily recognize.
How can I learn these idioms faster?
You can learn idioms faster by using them in daily sentences, writing short stories, and practicing with a friend. Making flashcards with pictures can also help you remember what each phrase means.
Are idioms used in everyday conversation?
Yes, native English speakers use idioms all the time during casual chats, television shows, and books. Learning them helps you understand jokes, stories, and conversations much more naturally.
Can idioms have more than one meaning?
Most idioms have one main accepted meaning, but how people use them can vary slightly depending on the context. Reading example sentences helps you see the exact way each phrase works.
