0 1 2 3 Mon 18 Oct 1948 Tue 02 Nov 1948 Wed 17 Nov 1948 Thu 02 Dec 1948 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