Owls are not the only baby raptors that sleep with their heads down, hawks do also as well as eagles, etc. They are exhausted because their little bodies are busy growing bones and feathers. This ...

The ideal timing for your anchor sleep might differ for an early bird or a night owl, said Dr. Posmontier, but go to sleep at the same time every night, ideally starting between 8 p.m. and midnight.