What is the best medicine for insomia

The Best are Homeopathic Treatment for Sleeplessness/Insomnia, due to different reason and with different set of symptoms :-

Sleeplessness during menopausal stage Senecio Aur 30X, 4 hourly

Cannot sleep in the early hours of night; utterly wide awake, mind active; sleeplessness due to excitement Coffea Cruda 30X 6, hourly

Cannot sleep after 3 A.M.; sleeplessness due to mental strain or sedentary habits; sleep dreamy and restless Nux Vomica 30X, at bed times for 7 days

Due to fear or panic; insomnia after shock or fright; restlessness and tossing in bed Aconite Nap 30X 4 hourly

Due to tiredness; either physical or mental; bed feels too hard; must keep moving in search of soft portion for relief in bed Arnica Montana 30X or 200X, 1/2 hourly (3 Doses)

Sleeplessness after midnight from anxiety and restlessness; has to get up and walk Belladonna 30X, 4 hourly

Sleepy yet unable to sleep; child tosses, kicks clothes off, twitches; restless sleep with frightful dreams Arsenic Album 30X or 200X, 4 hourly (3 Doses)

Sleeplessness and restlessness; specially in first part of night; gets up and walks on the floor, as soon as the bed time comes patient is wide awake Chamomilla 30X or 200X, 4 hourly

Sleeplessness due to old grief; after dreams of thieves or robbers Natrum Mur 200X or 1M, 10 min (3 Doses)

Sleeplessness due to sudden shock; disappointment Ignatia 200X or 1M, 10 min (3 Doses)