---
title: "Weight Gain at Night: Causes, Fixes, and Lab Tests"
description: "Weight gain at night is usually water shifts, late sodium/carbs, or stress hormones raising appetite and glucose. Targeted labs—no referral needed."
canonical: "https://www.vitalsvault.com/symptoms/weight-gain-at-night"
last-updated: 2026-08-22
---

# Weight Gain at Night: Causes, Fixes, and Lab Tests

> Weight gain at night is usually water shifts, late sodium/carbs, or stress hormones raising appetite and glucose. Targeted labs—no referral needed.

---

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