0 1 2 3 Fri 09 Dec 1938 Tue 13 Dec 1938 Sat 17 Dec 1938 Wed 21 Dec 1938 Sun 25 Dec 1938 Thu 29 Dec 1938 Mon 02 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