How do I book InterCity SLEEPER? October 15, 2019 01:41 Updated It’s easy to book an InterCity SLEEPER bunk on your next overnight bus trip. Just look for the InterCity SLEEPER icon under Service Info in your search results. Related articles What is InterCity SLEEPER? What should I bring for my InterCity SLEEPER bus trip? What is InterCity GOLD and how do I book it? Where is your Manukau bus stop? How much luggage can I take on the bus?