Understand that u might not be able to fall asleep immediately when they r asleep too, just rest ur mind and body (sit down have a drink and watch tv etc) if u cant sleep in the afternoon. After nightfeed, try to sleep early though they might not sleep through the night yet, u will get used to the schedule soon and before u know it, u can fall asleep after their night feed easily. Even for 1-2hr each time, it is good enough for a quality rest especially if u r breastfeeding, rest is most important to maintain ur supply
This is from my personal experience and i have no issue going back to work like a zombie now =)
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