ASDA seels a variety of herbal and natural sleeping pills such as the ASDA Sleep aid tablets (60pk), Kalms night One-A-Night, Nytol Herbal Simply Sleep One-A-Night tablets, Nytol Night time Sleep Aid Herbal Tablets, Kalms Night Valerian Root Extract 96 mg Tablets, Nytol Herbal Simply Sleep and Calm Elixir, among others.