0 1 2 3 Sun 10 Feb 1878 Fri 15 Feb 1878 Wed 20 Feb 1878 Mon 25 Feb 1878 Sat 02 Mar 1878 Thu 07 Mar 1878 Tue 12 Mar 1878 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