0 1 2 3 Thu 02 Dec 1937 Tue 07 Dec 1937 Sun 12 Dec 1937 Fri 17 Dec 1937 Wed 22 Dec 1937 Mon 27 Dec 1937 Sat 01 Jan 1938 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