0 1 2 3 Sun 19 Nov 1961 Mon 04 Dec 1961 Tue 19 Dec 1961 Wed 03 Jan 1962 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