The amphibian is basically on alert at all times and never receives any deep sleep.
Lifelong sailor Alex Kintz is no stranger to sleeping short bursts in violent seas.
We’ve hated homework since we invented it, so why can’t we lose it?
The edible dormouse goes quiet for 11 months or more. Why can’t we do that?
Near the anniversary of his mother's death, the writer is plagued by vivid, tragic dreams. Can these painful episodes actually help him grieve?
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