0 1 2 3 Mon 14 Dec 1936 Tue 22 Dec 1936 Wed 30 Dec 1936 Thu 07 Jan 1937 Fri 15 Jan 1937 Sat 23 Jan 1937 Sun 31 Jan 1937 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