Have you ever wondered if the length of a nap impacts its effectiveness?
According to Boston.com, there are four-five stages of sleeping/napping that all have different after-nap outcomes.
1. Falling Asleep
2. Light Sleep - A short, cat-nap falls in this category. A nap in this stage can increase alertness and concentration, especially when combined with caffeine.
3/4. Deep/slow-wave Sleep - If a nap is more than 45 minutes, you begin to fall into this stage. Recovery time (getting over the grogginess) takes longer after awakening.
5. Rem Sleep - These are naps that are 90-120 minutes long and will put you through the whole sleep cycle. If taking a nap longer than 45 minutes, it's best just to go all the way to at least 90 minutes to prepare yourself for better after-nap results.
Which works for you?
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