Do Dolphins and Whales Sleep?

Sunday, April 20th, 2008

 Yep! Dolphins and whales are mammals and all mammals sleep. Aside from living in water, one of the things that distinguishes us from our aquatic cousins is how we breathe. Humans don’t have to think about breathing. You can, if you choose, hold your breath or elect to inhale or exhale. But if you stop […]

Do Fish Sleep?

Saturday, April 19th, 2008

 Yes they do… sort of! How, when and where depend on the fish and what you define as sleep. First, fish lack eyelids so they don’t shut their eyes and doze off like we do. Second, what humans define as sleep involves a significant change in brain wave activity which doesn’t seem to occur in […]

How Do I Beat Insomnia – Part 2 – Stress

Wednesday, April 9th, 2008

In my last post I talked about conditioning against insomnia. There will be a bit of that here, as well. But today’s post will focus on the impact of stress on our ability to sleep. It’s the single most common lament, “I can’t turn off my brain,” and at the heart of that are stress […]