“It is interesting that the lateral sleep position is already the most popular in human and most animals—even in the wild—and it appears that we have adapted the lateral sleep position to most efficiently clear our brain of the metabolic waste products that built up while we are awake,…more: medicaldaily @ futurity
Note:The Prophet (peace and blessings of Allaah be upon him) said: “When you go to bed, do wudoo’ as if for prayer, then lie down on your right side…” (Narrated by al-Bukhaari).
