At 3,440 meters above sea level, everyone must acclimate to the new environment. To accomplish this, we spend a day in Namche. It gives you time to look around, maybe go to the health post or school that Edmund Hillary set up, and check the gear.
Additionally, you’ll have more time to get to know your fellow trekkers and purchase any last-minute snacks or personal items that won’t be available further up the trail.