0 1 2 3 Mon 31 Jul 1939 Sat 05 Aug 1939 Thu 10 Aug 1939 Tue 15 Aug 1939 Sun 20 Aug 1939 Fri 25 Aug 1939 Wed 30 Aug 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