To be fair, “tropical nights” is not really accurate. Some places in the tropics are uncomfortably warm at night during the “summer” half of the year, but near the equator, temperatures are usually quite pleasant, especially at moderate elevation. It’s the temperate and subtropical summers that will get uncomfortably hot due to climate change, not so much the stable equatorial zones. Coastal areas farther out from the equator (e.g. Bangladesh), yeah, already too hot…