I think I've suggested stuff to you before. Your name seems familiar, I suspect I've suggested things to you before. You can take or leave my advice, but I personally think it's a bit early for a routine still. Keep them awake for no more than 2 hours at this stage and watch for sleep signs i.e. decreased activity, slower motions, less vocal, quieter, calmer, eye lids drooping, yawning, eyes less focused, appears disinetrested in surroundings etc. AND then start the soothing to sleep.
They do often only sleep for 45 mins at a time by this point at each nap time. However when they get bigger and move onto 2 naps a day, they will be longer naps. So try not to worry about them only being 45 mins right now.
Two hours of wakefulness is about the maximum a baby can endure without becoming overtired. Sometimes babies may need to go to sleep after only being awake for an hour, this usually occurs first thing in the morning. Try to soothe them to sleep before they become overtired. It's OK to soothe to sleep at this age, they're so little, you won't teach them bad habits, BF to sleep in a darkened room in the quiet, rocking, swaddling etc. And then gently laying down in the cot should be fine. Putting an item in the cot that smells of you can help too.
I'd leave them in the Moses basket personally until they start to get too big. Then put the Moses basket in the cot and once they get used to the view over several days then move into the cot alone. Hope that makes sense?
You could place a cot with the side down beside your bed and then overtime move them into that and then each night move them further and further away from your bed in the cot and eventually into their own room if you no longer wish to co sleep at night.
All these ideas come from a book I use and trust, this one which I suspect I've recommended before, but I do find his advice spot on.
Your baby is more likely to protest sleep if overtired, they can fight sleep for the pleasure of your Company as well, keep a log or diary and you may see a trend or if an improvement occurs. This can help in the sleep deprived fog of a new baby.
You cannot spoil a baby at this stage, I think personally I'd still co-sleep at night until a little bigger, they will latch on and off most of the night as they will smell your milk. As long as you don't mind, carry on. I never really co-slept but used a Moses basket in the early days and then a cot. As long as I soothed to sleep in the early days and then lay them down it was all ok. Once they started to wake up at about 4 months I then had to use the Baby Whisperer pick up put down method from her book to sleep train them once they started to resist naps. This is a gentler form of sleep training. Which worked for both my LOs.
Sometimes if they have wind it can cause problems with settling to sleep. So try to use infacol or gripe water and wind them well at every feed as well.
I've been writing this message for half an hour as my mum called so hopefully by now you've had a few more tips.
Sending you a virtual cup of tea and a hug x
Things will get easier x