So my 2 weeks old will not settle in her crib at night. She will fall asleep on me so I wait a while, put her in crib, making sure the transition is smooth - crib not too cold for her, place a reassuring hand on her before I leave etc but she wakes with a startle about 5 mins after being in there. Anyway tonight we have let her sleep in her baby bouncer just to be able to get some sleep - this is very slightly upright, she is strapped in and has a blanket to keep her warm. Are there limits on how long she should spend in a bouncer?