What Is Sleep Debt and Can You Recover It?
Sleep debt is the gap between the sleep you need and the sleep you get. Extra sleep can partly reduce short-term effects, but regular, adequate sleep is a better strategy than repeated catch-up.
Key points
- How it builds. Each night of too little sleep adds to the deficit and can reduce alertness, mood and concentration.
- Recovery. Sleeping a little longer for a few nights can help.
- What to do. Move bedtime earlier in small steps and protect a regular wake time.
How it builds
Each night of too little sleep adds to the deficit and can reduce alertness, mood and concentration.
Recovery
Sleeping a little longer for a few nights can help. Large weekend swings in timing can disturb your body clock.
What to do
Move bedtime earlier in small steps and protect a regular wake time.
Frequently asked questions
Can I fully catch up?
Not always, and long-term short sleep has health effects.
What is social jet lag?
A mismatch between weekday and weekend sleep timing.
Sources
- Watson NF, et al. Recommended amount of sleep for a healthy adult: a joint consensus statement of the AASM and Sleep Research Society. J Clin Sleep Med 2015;11(6):591–592. PubMed
- NHLBI (NIH). Sleep deprivation and deficiency. Source
Links go to PubMed searches for the paper title or to the official guideline or regulator page. Standards and regulations are revised, so check the current edition before relying on them. Mattress and pillow research is limited; treat findings as a starting point.
Keep reading
Sleep Guide: Habits, Bedroom and Comfort Basics
Practical, non-medical guidance on sleep habits, bedroom setup and comfort, with sources to trust and when to see a doctor.
Read more →Sleep healthHow to Improve Sleep Quality: Evidence-Based Steps
Practical, evidence-based steps for better sleep: schedule, light, temperature, comfort and when to get help.
Read more →Sleep healthHow Much Sleep Do Adults Really Need?
What AASM, the Sleep Research Society and the National Sleep Foundation say about recommended sleep for adults.
Read more →This article is general information, not medical advice. If you have persistent pain or sleep problems, please speak to a doctor.
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