3 ms·
Well the advice is usually to start at 6 months so you are a bit early anyway
by zeroonetwothree 4y ago
Well the advice is usually to start at 6 months so you are a bit early anyway
- Mikeb85 4y agoFair enough but the article does cite a study about sleep 'interventions' at 3, 6 and 9 months plus the aforementioned quote about 3 month olds.