Sleep (and related, circadian health) are some super interesting topics of emerging research. For those that like books, there are two recent ones written by researchers in the field. Matthew Walker's Why We Sleep, and Satchin Panda's Circadian Code that are pretty breezy reads. (there are YouTube interviews and TED talks as well):
For those that prefer more succinct reviews and want to spelunk citations, these are a couple good starting points:
Potter, Gregory D. M., Debra J. Skene, Josephine Arendt, Janet E. Cade, Peter J. Grant, and Laura J. Hardie. “Circadian Rhythm and Sleep Disruption: Causes, Metabolic Consequences, and Countermeasures.” Endocrine Reviews 37, no. 6 (December 2016): 584–608. https://doi.org/10.1210/er.2016-1083.
Manoogian, Emily NC, and Satchidananda Panda. “Circadian Rhythms, Time-Restricted Feeding, and Healthy Aging.” Ageing Research Reviews 39 (October 2017): 59–67. https://doi.org/10.1016/j.arr.2016.12.006.
For those that prefer more succinct reviews and want to spelunk citations, these are a couple good starting points:
Potter, Gregory D. M., Debra J. Skene, Josephine Arendt, Janet E. Cade, Peter J. Grant, and Laura J. Hardie. “Circadian Rhythm and Sleep Disruption: Causes, Metabolic Consequences, and Countermeasures.” Endocrine Reviews 37, no. 6 (December 2016): 584–608. https://doi.org/10.1210/er.2016-1083.
Manoogian, Emily NC, and Satchidananda Panda. “Circadian Rhythms, Time-Restricted Feeding, and Healthy Aging.” Ageing Research Reviews 39 (October 2017): 59–67. https://doi.org/10.1016/j.arr.2016.12.006.