Keeping in Time With Your Body Clock
Waterhouse, J.M. / Minors, D.S. / Waterhouse, M.E. / Reilly, T. / Atkinson, G.
Why am I always tired?Why can't I sleep at night?Why do I suffer from jetlag?We all have a body clock, a biological structure that controls how we feel, our mental and physical performance, and whether we are active or asleep. This is nature's response to our rhythmic environment, dominated by the sun, light and dark. Though the body clock normally adjusts us to daytimeactivity and night-time sleep, it can go wrong - producing some forms of in...