0 1 2 3 Sun 13 Dec 1936 Wed 16 Dec 1936 Sat 19 Dec 1936 Tue 22 Dec 1936 Fri 25 Dec 1936 Mon 28 Dec 1936 Thu 31 Dec 1936 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All