Allow your body and mind to enter a state of rest. Establish and follow rituals. There are all sorts of things you can do to sleep well. There are also a number of things that are better to avoid...
Preparation
Evening rituals help you to sleep better. Rituals are habits that tell your body and mind that it is time to go to bed. They also help to restore a disrupted sleep rhythm.
Those who experience hypnic jerks when falling asleep should not go to sleep too close to their partner. Especially if the partner also has difficulty in falling asleep.