0 1 2 3 Tue 08 Feb 1921 Sun 13 Feb 1921 Fri 18 Feb 1921 Wed 23 Feb 1921 Mon 28 Feb 1921 Sat 05 Mar 1921 Thu 10 Mar 1921 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