It makes it painfully clear why new parents are sleep deprived. It’s also an excellent illustration of what scientists know about infant sleep cycles.
Source: Dad Turns Newborn Daughter’s Sleeping Patterns Into Stunning Graphic – D-brief
It makes it painfully clear why new parents are sleep deprived. It’s also an excellent illustration of what scientists know about infant sleep cycles.
Source: Dad Turns Newborn Daughter’s Sleeping Patterns Into Stunning Graphic – D-brief
TimBatchelder 