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Are daytime naps good or bad for me?

Daytime naps are good for you when they are short and early. A nap of twenty to thirty minutes before mid-afternoon is a legitimate performance tool: alertness, mood and memory all improve, and cultures built around it are onto something.

Naps turn on you in two ways: long naps that dive into deep sleep leave grogginess, and late or frequent naps steal pressure from night sleep, feeding insomnia.

The exception worth noting: a sudden new need to nap daily, or naps that never refresh, is a symptom, think sleep apnea, low iron, thyroid or mood, and worth investigating rather than scheduling around.

Source: CDC NIOSH, napping as a fatigue countermeasure

See a doctor promptly if

  • Tiredness with unintentional weight loss, drenching night sweats, or new lumps
  • Breathlessness at rest or on mild effort, chest pain, or fainting
  • Very heavy periods, black tarry stools, or visible blood in stool alongside tiredness
  • Falling asleep while driving or operating machinery, or witnessed pauses in breathing during sleep
  • New confusion, severe headache, or genuine loss of muscle power rather than low energy

Answered by the AskDoc Medical Team · Medically reviewed under our Medical Director, MBBS · How we review

Before you buy anything for sleep

No gadget fixes sleep apnea. But if your score above suggests a sleep study, a simple pulse oximeter can give your doctor useful overnight numbers for under $30.

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