0 1 2 3 Fri 19 Jul 1872 Mon 22 Jul 1872 Thu 25 Jul 1872 Sun 28 Jul 1872 Wed 31 Jul 1872 Sat 03 Aug 1872 Tue 06 Aug 1872 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