0 1 2 3 Thu 15 Dec 1938 Fri 23 Dec 1938 Sat 31 Dec 1938 Sun 08 Jan 1939 Mon 16 Jan 1939 Tue 24 Jan 1939 Wed 01 Feb 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