0 1 2 3 Tue 16 Jan 1923 Thu 01 Feb 1923 Thu 01 Mar 1923 Sun 01 Apr 1923 Mon 16 Apr 1923 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