Home > Medical > Sleep Disorders > About sleep About sleep All sections in Sleep » About Sleep » Health Tips » Insomnia » Research » Narcolepsy » Sleep News » Sleep and Diet » Sleep and Travel » Snoring Here's why you want to take a nap after lunch Do you want to lie down after lunch, even if it's just for 10 minutes? We look at how our circadian rhythms influence our desire to sleep. Here's why you should be napping more These reasons will make you want to drop everything and take a nap. Sleep paralysis is frightening but not dangerous If you wake up during REM sleep, you may hallucinate but won't be able to move, which can be terrifying. Quiz Are you sleep-deprived? » Health Tip: Making the transition to sleep VIRAL: millions are watching this video to fall asleep! Less sleep leads to less sex in postmenopausal women Investigators found that getting less than the recommended seven to eight hours of sleep a night was associated with less sexual activity and sexual satisfaction in postmenopausal women. Most physical activities help you sleep better Certain types of physical activity help you sleep better, while others might leave you tossing and turning, a new study finds. Sleepwalking may run in families A study found that parental sleepwalking is closely linked to sleepwalking in kids. Mindfulness meditation may help older people sleep Practicing meditation may help older people who have trouble sleeping – more than just making their bedrooms more conducive to sleep in. Your sleeping habits may affect your heart Too little or too much sleep could implicate your health as your heart may be affected by your sleeping patterns. Poor sleep linked to depression and ADHD in kids Researchers found that kids with sleep disorders at age 4 were at increased risk for mental health problems – such as anxiety and depression – at age 6. Adequate sleep tied to women's sexual function A better nights sleep corresponds with an increase in sexual desire and the possibility of sex for women, according to a new study. load more articles advertisement From our sponsors Managing diabetes in the workplace Back-to-school with diabetes Discover treatments that can help reduce acne What can I do to reduce or remove acne marks?