Lack of sleep becomes a vicious circle

. ⭕️ The brain gets into the habit of will I/not sleep ........
I have in the past used 'kwells' or non-drowsy anti-histamine to get back into a sleep habit. 'Kwells' once a week helped, an anti-histamine 3 nights in a row get me back into feeling less tired.
I've been on ADs for years but haven't noticed if it aids sleep/not. Nights that I don't get a proper night are rare, I either drop off for a few hours or wake after a wee around 1.30 and that's it! Putting the World to rights in my head

Do U get plenty of fresh air and sunshine ?