nightlights

/N AY1 T L AY0 T S/
noun
  1. 1

    A small, dim light or lamp left on overnight

    โ€œHe put a small nightlight in the bathroom to find his way around in the dark.โ€

  2. 2

    Light that shines at night such as moonlight, starlight, etc.

Source: https://en.wiktionary.org/wiki/nightlight, https://en.wiktionary.org/wiki/nightlights