0 1 2 3 Mon 09 Dec 1912 Wed 01 Jan 1913 Sat 01 Feb 1913 Sat 01 Mar 1913 Sun 09 Mar 1913 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