0 1 2 3 Tue 05 Dec 1939 Sun 10 Dec 1939 Fri 15 Dec 1939 Wed 20 Dec 1939 Mon 25 Dec 1939 Sat 30 Dec 1939 Thu 04 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