An earlier post in this topic got me thinking. Is there any research about the advantage to a baby of being able to self-settle? Of course I realize the advantage to parents - and I am as keen on a glass of wine and the telly in a tidy living room as the next woman. And I understand how difficult it is to be a good parent when sleep-deprived. But specifically is there any psychological or developmental benefit to a baby or a toddler to be learn to go to sleep alone?