Insomnia and excessive daytime sleepiness in women and men receiving methadone and buprenorphine maintenance treatment.

Insomnia and excessive daytime sleepiness (EDS) are reported to be common in methadone maintenance treatment (MMT) but much less is known about these symptoms in buprenorphine maintenance treatment (BMT) and in women compared with men. Cross sectional study of recipients of BMT ( = 113, 47 women), MMT ( = 184, 94 women), people using opioids nonmedically (nonopioid agonist treatment, non-OAT:  = 87, 31 women) and a reference group with no opioid use (RG;  = 105, 53 women) in Australia. Measures included Athens Insomnia Scale, Epworth Sleepiness Scale, the Hospital Anxiety and Depression Scale, and other substance use.