GREEN TEA (rating: 4 out of 5), COCONUT OIL (rating: 1 out of 5), TURMERIC (rating: 3 out of 5), BLUEBERRIES (rating: 5 out of 5), CINNAMON (rating: 2 out of 5)
(link to the original article: here)
分类：保健和养生
When and how long is it optimal to nap?
If you’re interested in sleep research, The Promise of Sleep by the pioneer of sleep research Dr. Dement is an excellent read.