0 1 2 3 Mon 12 Dec 1938 Thu 15 Dec 1938 Sun 18 Dec 1938 Wed 21 Dec 1938 Sat 24 Dec 1938 Tue 27 Dec 1938 Fri 30 Dec 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