0 1 2 3 Wed 13 Mar 1878 Wed 20 Mar 1878 Wed 27 Mar 1878 Wed 03 Apr 1878 Wed 10 Apr 1878 Wed 17 Apr 1878 Wed 24 Apr 1878 Wed 01 May 1878 Wed 08 May 1878 Thu 09 May 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