Humidity and clean water come first
A red-eyed tree frog's skin is its lifeline, so rebuild its moisture before release: mist the enclosure thoroughly with dechlorinated water, refill the water dish with the same, and check that the foliage holds droplets the way it did before the trip. Boarding setups often run drier than a home terrarium, and a frog may arrive slightly dehydrated, shown by skin that looks dull rather than glossy. Let the frog rehydrate on its own terms by clinging near the misted leaves and soaking in its dish overnight. Never use plain tap water for misting without treating it first, because what is harmless to you is absorbed directly through this frog's skin.
Protect the day sleep, respect the night
Red-eyed tree frogs sleep through the day flattened against a leaf, eyes closed and bright colours hidden, and disturbing that sleep is the fastest way to prolong post-boarding stress. Do enclosure chores in the early evening as the frog wakes, not at midday. At night, a settled frog opens its red eyes, shows its blue-striped flanks and moves to its hunting perches; listen for the soft calls of a male resuming his territory. Keep the enclosure away from television light and late room lamps during the first nights, because a frog that never gets true darkness never completes its wake cycle and will not feed properly.
Feed at night and watch the hunt
Offer food after dark, when the red-eyed tree frog is fully awake, releasing the usual feeder insects into the enclosure or tong-feeding if that is the frog's habit. A settled frog stalks deliberately and snaps with accuracy; a frog that sits with eyes half open while insects wander past is either still stressed or was fed recently at boarding. Check the sitter's notes for the last feeding night before concluding anything from a refusal. Remove uneaten insects in the morning so they do not stress the sleeping frog or foul the foliage, and keep a simple count of what was taken across the first week.
Learn which leaf the frog chooses, because that choice is a settling milestone in itself. Red-eyed tree frogs pick a daytime sleeping leaf and return to it with real fidelity, tucking their legs and flattening so the bright colours vanish. A frog still sleeping in a different, exposed spot each day has not yet mapped its restored enclosure, which usually resolves within the week as the misting and light cycle re-teach it the geography. Note the chosen leaf rather than moving the frog to a prettier one; the frog's map, not yours, is the one that counts.
Skin and posture are the health report
Inspect the frog during its active hours under soft light: the skin should be smooth and bright, the posture upright on its perch, and the eyes fully open and clear. Contact an amphibian-experienced veterinarian if the frog stays dark and hunched through the night, stops feeding across several offered nights while thinning at the hips, or shows spots, sores or a cloudy eye. Keeping a brief log in KinsLe's Care Pass — the leaf it picked for sleeping, the nights it called, how keenly it hunted — turns one frog's private habits into instructions a future sitter can follow without guesswork.