risk.Sleep duration has been defined as normal(7-8 hours of sleep),short鈮 6 hours and long sleep鈮 9 hours.Short sleep duration is associated with hypertension especially during middle age and women who are deprived of sleep particularly post-menopausal had a higher risk of hypertension than ...
Sleep research indicates that sleep patterns and sleep needs change when children become adolescents. Studies show that most adolescents need more than eight hours of sleep each night. Because of their biological clocks, however, many teens are unable to fall asleep early enough in the evening to...
many adults do not get the recommended eight hours of sleep each night. Theaverageadult today gets only 6.4 hours of sleep, nearly an hour and a half less than what theaverageperson received acenturyago. Only in recent years have health professionals begun to realize the prevalence...
Sleep deprivation, in the context of shift work, is an increasing major public health issue. We aimed to determine whether early light administration can counteract sleep deprivation effects, and to compare LED-glasses with a traditional light therapy box. This cross-over design study included 18 ...
according to sobering new study.1 complet e freedom to sleep in an d nap during a weeken d recovery period, par ticipants in a sleep laboratory who wer e limite d to fiv e hours of sleep on weekday s 2 (gain) nearly thr e e pounds o er two weeks an d experienc e d metabolic...
【题目】 The negative health effects of sleep shortages during the week can’ t be changed by marathon weekend sleep sessions, according to a new study. Researchers have long known that routine sleep deprivation(缺乏) can cause weight gain and increase other health risks, including diabetes. But...
Older adults in particular are affected by caffeine-induced sleep disorders. As a general rule, you should avoid caffeine at least three hours before bedtime. Causes Headaches We have learned that black coffee can help against headaches but it can also cause them in some cases. For example, mo...
The diurnal sleep patterns of female nurses working night duty were compared to their nocturnal sleep patterns while they were working regular hours during the day. Continuous EEG, EOG, and EMG recordings were made at the end of 2 month periods of night and day duty respectively. Day and nigh...
About 2 hours before you head to bed is when this cooling process starts. That’s when you start to feel less alert and likely start to think of sleep. As your body cools, your pineal gland, located in your brain, releases rising amounts of the hormone melatonin. That, in turn, nudge...
You know lack of sleep can make you grumpy and foggy. You may not know what it can do to your sex life, memory, health, looks, and ability to lose weight. Here are 10 surprising -- and serious -- effects of sleep loss.