0 1 2 3 Tue 01 Dec 1936 Fri 04 Dec 1936 Mon 07 Dec 1936 Thu 10 Dec 1936 Sun 13 Dec 1936 Wed 16 Dec 1936 Sat 19 Dec 1936 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