USCG Petty Officer talks sleep deprivation: Petty Officer Second Class Erica Rands-Howard, USCG, talks about her experiences as a brand new member of a cutter crew when she worked "double 4-to-8" watches, which broke her more than breaking her in.
Read about her experiences in https://www.usni.org/magazines/proceedings/2018/july/break-sailors-dont-break-them