OP: when is your next CHN appt? might be a good idea to pop in sooner and just get a professional opinion.
Awake time for newborns (0-6wks) should be max 60mins this in most bubs is the feed, nappy change, little play and back to sleep.
How are his nappies? Jaundiced bubs tend to be sleepier and in most instances should be woken to feed. This is why i think you shopuld see your nurse or GP for a professional opinion
Congrats by the way!