Relaxing at least one hour before bed - taking a bath or reading a book - may also help.
Making sure your bedroom is dark and quiet, using thick curtains, blinds, an eye mask or ear plugs, could also do the trick.
And exercising regularly during the day and making sure your mattress, pillows and covers are comfortable are also important.
Insomnia: Avoid looking at devices just before bed (Image: GETTY)
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Avoid smoking or drinking alcohol, tea or coffee at least six hours before going to bed.
Avoid eating a big meal late at night, and don’t exercise at least four hours before bed.