0 1 2 3 Sat 22 Sep 1956 Mon 01 Oct 1956 Thu 01 Nov 1956 Sat 01 Dec 1956 Fri 21 Dec 1956 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