Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1999 5
2001 1
2002 1
2003 2
2004 5
2005 3
2006 3
2007 4
2008 7
2009 11
2010 12
2011 12
2012 14
2013 9
2014 12
2015 19
2016 17
2017 19
2018 23
2019 22
2020 15
2021 11
2022 12
2023 8
2024 4

Text availability

Article attribute

Article type

Publication date

Search Results

219 results

Results by year

Filters applied: . Clear all
Page 1
Circadian Rhythm Sleep-Wake Disorders in Older Adults.
Kim JH, Elkhadem AR, Duffy JF. Kim JH, et al. Sleep Med Clin. 2022 Jun;17(2):241-252. doi: 10.1016/j.jsmc.2022.02.003. Sleep Med Clin. 2022. PMID: 35659077 Free PMC article. Review.
Sleep state switching.
Saper CB, Fuller PM, Pedersen NP, Lu J, Scammell TE. Saper CB, et al. Neuron. 2010 Dec 22;68(6):1023-42. doi: 10.1016/j.neuron.2010.11.032. Neuron. 2010. PMID: 21172606 Free PMC article. Review.
The importance of the circadian system & sleep for bone health.
Swanson CM, Kohrt WM, Buxton OM, Everson CA, Wright KP Jr, Orwoll ES, Shea SA. Swanson CM, et al. Metabolism. 2018 Jul;84:28-43. doi: 10.1016/j.metabol.2017.12.002. Epub 2017 Dec 9. Metabolism. 2018. PMID: 29229227 Free PMC article. Review.
Sleep, Sleep Disorders, and Sexual Dysfunction.
Cho JW, Duffy JF. Cho JW, et al. World J Mens Health. 2019 Sep;37(3):261-275. doi: 10.5534/wjmh.180045. Epub 2018 Aug 14. World J Mens Health. 2019. PMID: 30209897 Free PMC article. Review.
219 results