0 1 2 3 Sat 31 Dec 1938 Tue 03 Jan 1939 Fri 06 Jan 1939 Mon 09 Jan 1939 Thu 12 Jan 1939 Sun 15 Jan 1939 Wed 18 Jan 1939 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