Is there a natural sedative to help me sleep better?

Lots of options: Melatonin, valerian root, ashwaganda, and many other options are available. Your sleeping environment and habits are at least as important. Pitch black darkness is helpful. Avoiding caffeine especially at night. Exercise in the morning can help you fall asleep at night. If you are having stress, try to fix it. Insomnia can be treated!

Melatonin: Melatonin is a hormone produced naturally in the body to help regulate sleep. Supplements containing this agent can decrease the time to fall asleep, and lengthen sleep times. Supplements can be found over the counter at most drug stores. This is a temporary fix, as we get older caffeine intake during day, alcohol at night an affect our ability to get sleep, soo decreasing these can also help.

Use good sleep: hygiene. Valerian (Valeriana officinalis), California poppy (Eschscholzia californica), Wild lettuce (Lactuca virosa), Lemon Balm ((Melissa officinalis)), passion flower (Passiflora incarnata), Chamomile (Anthemis nobilis), Hops (Humulus lupulus), Lavender (Lavandula officinalis), St. John's Wort (Hypericum perforatum) & are herbs which can aid with sleep. Melatonin is widely used.

Natural sedative: Some are Kava, Chamomile, Valerian, Melatonin.