If you’re a side sleeper, you may prefer using down or down alternative pillows. These pillow types have a comfortable, classic feel; however, they might not be firm enough to offer adequate neck support for proper spinal alignment. When using a down pillow, ensure it has sufficient loft to provide the necessary support. Foam pillows are commonly firmer than other types of pillows and usually come in either one piece or filled with shredded foam that you can adjust to your liking. Some single-piece foam pillows have cut-outs for extra support around your shoulders and neck, but be sure to check if these will work for the way you sleep before making a purchase.
Being fit is good for your heart because it strengthens the muscles needed to make your heart and cardiovascular system function.
Dreaming serves no function.
Countless theories of dreaming have been put forward over the years. These include memory consolidation, wish fulfilment and ‘providing stimulation to the nervous system during development’.
Experiments have shown that rats deprived of REM sleep will die within 2-3 weeks although most of the studies on dream deprivation in humans have been less conclusive as to the importance of REM. However, it is clear that REM sleep and dreaming plays a vital part in our daily lives.