A 61-year-old male asked:
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i sleep just 3 or 4 hours a night. is it possible that's all i need?

2 doctor answers
Dr. Alan Ali
Dr. Alan Ali answered
31 years experience Psychiatry
Not enough sleep: Talk to your doctor about this & see if you need assessed for secondary insomnia (insomnia due to other organic or psychological factors) which can be treated. Meanwhile you can try the sleep hygeine techniques.
Answered on Dec 10, 2013
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Dr. Derrick Lonsdale
72 years experience Preventive Medicine
Actually yes: "normal" sleep is between 6 and 8 hours but is extremely variable. There is a statistical relationship (for sleep only) that states that longevity is decreased when less than 6 or greater than 8 hours on a regular basis. There is a record of a woman who claimed to sleep only 1 hour a night and that she was perfectly healthy. We still don't know why we sleep!
Answered on Jan 5, 2015
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