0 1 2 3 Tue 19 Dec 1939 Sat 23 Dec 1939 Wed 27 Dec 1939 Sun 31 Dec 1939 Thu 04 Jan 1940 Mon 08 Jan 1940 Fri 12 Jan 1940 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