How does the sleeping work for 300k and 400k. I'm pretty sure I'd need some shuteye, especially for a 400k, as I'm a full value 200k rider. Audax hotel for 15 minutes followed by a thousand yard stare?Okay. Just for fun, let's up the ante: 200k is a day ride, 300k is a long day ride, 400k is a very long day ride.