Sleep is where we rest from the stresses and strains of living, from our daily journey through life. That we spend around a third of our lives in bed is a frequently cited statistic, but how much do we really know about our sleep? Are you someone who regularly sleeps soundly for 8 hours a night or do you frequently wake up still feeling tired? Do you know how well you slept last night? Have you ever considered whether or not it might be possible to improve the quality of your sleep?