Sleep hygiene is so bad at treating insomnia that it's used as the placebo in clinical sleep trials. Before you buy darker blackout curtains, try these expert tips. TRANSCRIPT: https://quickanddirtytips.com/health-fitness/mental-health/sleep-hygiene-insomnia | Check out all the Quick and Dirty Tips shows: quickanddirtytips.com/podcasts JOIN THE CONVERSATION: Facebook: https://www.facebook.com/savvypsychologist | Twitter: https://twitter.com/qdtsavvypsych