The rewarding aspects of alcohol are generally attributed to its effects on the neurotransmitter dopamine, «but our guess is that the less pleasant, depressive or sedative effects of alcohol involve its effects on GABA,» said Harris. (uchospitals.edu)
Chamomile tea can help with insomnia, and inhaling the aroma of chamomile oil produces a mild sedative effect on the brain, which makes you feel sleepy. (globalhealingcenter.com)
Cedarwood is another oil that has mild sedative effects when inhaled. (femfusionfitness.com)