These rhythms help control your body's production ofmelatonin, a hormone involved with sleep. They're guided by sunlight and other cues from your environment. But when you travel across several time zones within a short period, your body needs time to catch up. That's what leads to the sy...
This phenomenon is known as sleep. Sleep is essential for everyone since it refreshes the mind and replenishes the body to continue doing the work necessary for a long and healthy existence. Every creature sleeps in a distinct way and at a different time....
After a long winter, the arrival of spring can be a welcomerelief. The days grow longer, the temperatures increase, and the natural world around uscomes to lifeagain. But when the seasons change, oursleep patternscha...
Struggling with a baby that won't sleep through the night? You're not alone. Discover WebMD's tips to understanding your baby's sleep habits.
Step 1:词汇温习 relief (不快后的)解脱 come to life 复苏,恢复生机 sleep pattern 睡眠模式 exposure to 接触 artificial light 人造光 seasonal sleep 季节性睡眠 variation 变化 rapid eye movement sleep 快速眼动睡眠 deep sleep 深度睡眠 repair 修复 immune system 免疫系统 consolidate 加强,加固 rest 休息...
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You leave your bed while sleeping, usually in the first third of your sleep pattern. Others find it difficult to wake you during an episode of sleepwalking. You can't remember what happened while you were sleepwalking. When you do wake up from an episode, you're confused. You aren't suf...
词汇:sleep 睡眠 After a long winter, the arrival of spring can be a welcomerelief. The days grow longer, the temperatures increase, and the natural world around uscomes to lifeagain. But when the seasons change, oursleep patternschange with them. ...
Just because your kitty is domesticated and has easy access to food doesn't mean that the sleep pattern will shift as soon as you bring her home. Her instincts for night time activity may take over. It takes some time to gradually change her schedule and shift play time away from late ...
and 120 minutes, but Stage 3 sleep begins to take up less time, while REM sleep begins to increase. As this cycling pattern of NREM-REM sleep continues throughout the night, time spent in REM sleep begins to grow, occurring every90 to 120 minutes, while Stage 3 sleep begins to decrease...