0 1 2 3 Sun 17 Jan 1937 Fri 22 Jan 1937 Wed 27 Jan 1937 Mon 01 Feb 1937 Sat 06 Feb 1937 Thu 11 Feb 1937 Tue 16 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