Although the exact reasons why we need to sleep remain a mystery, various scientific theories have been put forward as to why sleep is important for our bodies
Bedroom temperature, noise and light levels and your bed mattress can all have a big impact on whether you sleep soundly and also the quality of sleep that you experience
How does Caffeine Affect the Way you Sleep - Caffeine consumption has been linked to many sleep disorders, including insomnia and sleep deprivation due to its physiological effects
Seasonal Affective Disorder can affect our ability to get a good nights sleep due to the lack of light causing our circadian rhythm or body clock becoming confused