As we all know, lifting weights is one of the first things you need to do to get muscular gains!  Well that and eating.

But does getting 40 winks and a good night sleep matter, too?

 

References

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3564638/
https://www.ncbi.nlm.nih.gov/pubmed/19849803
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC535701/
https://www.ncbi.nlm.nih.gov/pubmed/12952360
https://www.ncbi.nlm.nih.gov/pubmed/11238497
https://www.ncbi.nlm.nih.gov/pubmed/2657963
https://www.ncbi.nlm.nih.gov/pubmed/7799474
https://www.ncbi.nlm.nih.gov/pubmed/9706412
https://www.ncbi.nlm.nih.gov/pubmed/20370472
https://www.ncbi.nlm.nih.gov/pubmed/7761740
https://www.ncbi.nlm.nih.gov/pubmed/7199438
https://www.ncbi.nlm.nih.gov/pubmed/6822642
https://www.researchgate.net/publication/51106123_Sleep_and_muscle_recovery_Endocrinological_and_molecular_basis_for_a_new_and_promising_hypothesis