![]() Stage 1, called N1, is the lightest stage of sleep and lasts for about 1 to 5 minutes. NREM makes up about 75 to 80 percent of your sleep. The four sleep stages can be divided into two categories: rapid eye movement (REM) and non-rapid eye movement (NREM). Research has found that sleeping for 90 to 110 minutes may help reduce grogginess when you wake compared to shorter 60-minute sleeping sessions. Ideally, it’s a good idea to aim for at least 90 minutes of sleep so that your body has time to go through a full cycle. Sleeping for a couple of hours or fewer isn’t ideal, but it can still provide your body with one sleep cycle. While you’re asleep, your body cycles through four stages of sleep roughly every 90 minutes, and on a normal night, you get 4 to 6 of these cycles. Skipping sleep is an equivalent to being drunk. ![]() ![]() If you skip a night’s sleep, your mental function and mood will significantly decline the next day.Īccording to the CDC, being awake for 18 hours causes a similar mental impairment as having a blood alcohol content of 0.05 percent, and being awake for 24 hours is equivalent to 0.10 percent. Sleep is the period when your body repairs its tissues, replenishes hormones, and transfers short-term memories into long-term memories. However, getting some sleep is better than getting none. If you’re in a situation where you’re trying to decide whether you should sleep for a couple of hours or not at all, neither option probably seems appealing. Should I sleep for 2 hours or stay awake?
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