References
- ^MedlinePlus (Internet). Bethesda (MD): National Library of Medicine (US); (updated 2018 December 4; cited 2022 May 6)
- ^Kaur H, Spurling BC, Bollu PCChronic InsomniaStatPearls.(2022-07)
- ^Momin RR, Ketvertis KShort Term InsomniaStatPearls.(2022-07)