These findings are similar to those in the dietary realm that show that eating too much food is much more harmful than not eating enough (of course massive extremes such as starvation and not sleeping at all are not included in this discussion). Kripke even noted that, “For 10-hour sleepers, the increased risk of death was about the same as that for moderate obesity.”

Some studies have even experimented with sleep deprivation to cure depression. Up to 60% of depressed people will show a 30% improvement after just one night awake, according to a review article published in the January 1990 issue of the American Journal of Psychiatry.

People who feel the most depressed in the morning and improve later in the day seem to benefit the most from a night without sleep (Yang). However, keeping people up all night is not a long-term solution and researchers often found a relapse in people once they went back to “normal” sleeping hours.

Further research showed that one reason staying up all night worked was because sleep inhibits the thyroid stimulating hormone (TSH) that helps control our metabolism and, indirectly, our levels of energy. An estimated 25% to 35% of depressed patients have low TSH levels.

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Healthier Habits

A research has shown that while sleep inhibits the release of TSH, staying awake through the night and the early morning hours boosts it. This scientific research is completely in accordance with the habit of the Prophet (saws), which was to sleep shortly after Eisha prayer (earlier than most people sleep nowadays), and wake in the very early morning hours (sometimes as early as midnight) again to pray.

Ibn ‘Abbas said, “The Prophet slept till he snored and then prayed (or probably lay till his breath sounds were heard and then got up and prayed).” Ibn ‘Abbas added: “I stayed overnight in the house of my aunt, Maimuna, the Prophet slept for a part of the night, (See Fateh-al-Bari page 249, Vol. 1), and late in the night, he got up and performed ablution from a hanging water skin, a light (perfect) ablution and stood up for the prayer. I, too, performed a similar ablution, then I went and stood on his left. He drew me to his right and prayed as much as Allah wished, and again lay and slept till his breath sounds were heard.“

This is similar to the therapy given to depressed patients in Europe who are told to sleep early for a week, awake at midnight and then ease back into a “normal” sleeping schedule by waking a bit later each morning, but no later than sunrise (Yang).

If you already feel you don’t have enough sleep you may wonder, though how less sleep can make you feel better. Oftentimes sleep problems are related to sleep quality rather than length of sleep.

Things a person can do to improve their sleep quality is: eat at least two hours before bedtime, change to healthier dietary habits, check with a doctor about possible sleep apnea, snoring issues, or TMJ, sleep on your side, avoid alcohol and sedatives, lose weight and find a comfortable mattress.

So how do you know how much sleep you need? Many people instinctively feel what is right for them. If you feel great after 7 hours, but feel tired if you get five hours or nine hours then you know that seven is your “ideal sleep” time. However, sleep requirements may also vary with life events. During travel or personal trauma or illness sleep requirements may increase.

John McDougal, author of several dietary books, offers a further distinction between people who need more or less sleep. He says in his book The Quick McDougal Cookbook, that healthy people usually need only 5-7 hours of sleep a night.

This, in fact may be the reason many people think they need more sleep. Bad dietary habits can cause sleepiness. One such example is the heavy feeling one gets after eating a large meal or the drug-induced state that bread causes in some people. Dr. McDougal says that as long as a person is healthy they should need less than 8-hours of sleep.

Medical science seems to be saying that if you need more than 8 hours of sleep you need to work on some dietary issues and strive to need less sleep. Even the Prophet (saws) spoke against extremes in sleep deprivation and told men who stayed up all night for days on end praying, that they needed to moderate their habits and also get some sleep.

This article is from our archive, originally published on an earlier date.

References:

• webmd.com
• Yang, Sarah. “Staying Up to Beat the Blues.”
• DeNoon, Daniel. “Are you Sleeping Enough – Or Too Much?”
• Durgan, Amy. “Tips to Sleep More Soundly.”