Nail the bottom of the pyramid first before thinking of climbing higher up!
Most people require 8 hours minimum a night. We need sleep for mental wellbeing, recovery of cells throughout the body, to regulate bodily functions, to help you grow and for injury prevention. If we lose sleep, then we effectively fall into a jet lag situation! A lack of sleep now may effect you in later life (there is some evidence about the long term health implications due to a lack of sleep).
With a lack of sleep, we can have the effects of jet lag, which disrupts our circadian rhythm. It can lead to:
This is the body's ability to regulate our function i.e. our internal body clock. It is regulated by light sensitive cells that are deep in the brain and helps to control alertness, temperature, hormones and cell activity.
Our bodies require rhythm. This means:
It's ok to...
'Blue light' can be found in TVs, laptops, phones and smart watches. The blue light from screens stimulates the light receptors in the brain and makes you more awake! Therefore, avoid all blue light 30-60mins prior to bed.
Blue light glasses can help reduce the effects of the screens.