0 1 2 3 Mon 11 Jan 1937 Sat 16 Jan 1937 Thu 21 Jan 1937 Tue 26 Jan 1937 Sun 31 Jan 1937 Fri 05 Feb 1937 Wed 10 Feb 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