If you have not slept well, should you drag yourself to exercise or rest it out?

Poor sleep compromises the balance of hormones, reduces cognitive alertness, and increases the risk of injury due to slow reaction times, said Dr Anil Ramakrishna, senior consultant, neurology, SPARSH Hospital, Yelahanka, Bangalore.

sleepShould you exercise or sleep? (Photo: Freepik)
3 min readNew DelhiNov 24, 2025 06:00 AM IST First published on: Nov 24, 2025 at 06:00 AM IST

Many fitness buffs drag themselves out of bed to exercise even if they haven’t met their sleep requirements. While the duration of hours varies from person to person, the question is whether it’s advisable to rest it out? Dr Manjusha Agarwal, senior consultant, internal medicine, Gleneagles Hospital, Parel, Mumbai, said that when you haven’t slept well, it can be difficult to decide whether to sleep in or push yourself to go to the gym. From the perspective of sleep science, if you have not slept well, then prioritising recovery over exercise is usually the best choice, experts urge.

Sleep is the time when your body repairs muscles, balances hormones, restores energy, and supports your immune system. If you force yourself to exercise after a poor night of sleep, you may feel tired, unfocused, and more likely to injure yourself. Your workout quality will also be low because your body is already running on very little energy, said Dr Agarwal.

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