0 1 2 3 Mon 03 Sep 1928 Mon 01 Oct 1928 Thu 01 Nov 1928 Sat 01 Dec 1928 Thu 13 Dec 1928 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