0 1 2 3 Sun 18 Jan 1948 Sun 01 Feb 1948 Mon 01 Mar 1948 Thu 01 Apr 1948 Sat 17 Apr 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