Some more thoughtful sleeping assistance from The Guardian with their 12 rules for a good nights sleep.

Sleeping well is an important part of our health. It plays an important role in your physical health and is involved in healing and repair of your heart and blood vessels. Ongoing sleep deficiency is linked to an increased risk of heart disease, kidney disease, high blood pressure, diabetes, and stroke.

It appears the average human needs about 7-9 hrs sleep a night. and good quality sleep will go a lot further than 8 hrs of restless rolling about. This great 2 minute video from Vox offers 3 easy starters for a good quality sleep.