Produced in the pineal gland, which hormone plays an important role in the human sleep cycle?

Chatur, Unfortunately it doesn't work for everyone. I was terribly disappointed, as I thought it might be the answer to lifelong chronic insomnia. Alas, it was not to be....

Melatonin tablets are available for the ‘hard to fall asleep’ folks - works like a charm to get back in your sleep cycle. No known side effects.

Whiplashlady, you might want to try Valarian with the melatonin. And have a cup of Chamomile tea with it. That might help. It works for me.

Chatur, Unfortunately doesn't work for me.

Be careful with melatonin supplements. They can cause extreme depression.

Whiplashlady, I hear ya. I have been a insomniac since my 20,s am now 72. It has led to a life of exhaustion, physical and mental ailments. And no treatment or medication has helped unfortunately.