I was building underwater in creative mode while using a night vision potion (8 mins). I started swimming (1.13+ swimming) and stopped. When I did that night vision disappeared for a moment and then returned.
Environment
Java: version 8 update 231 (build 1.8.0_231-b11)
OS: Windows 10
Graphic card: NVIDIA GeForce GTX 750 Ti
CPU: Intel core i3-4330 3.50GHz
RAM: 8 GB, 2 GB for Minecraft
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However, we are already tracking this issue, and this report is a Duplicate of MC-186091.
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