0 1 2 3 Wed 20 Dec 1882 Mon 01 Jan 1883 Thu 01 Feb 1883 Thu 01 Mar 1883 Tue 20 Mar 1883 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