The impact of watching television on evening melatonin levels

Mariana G. Figueiro, Brittany Wood, Barbara Plitnick, Mark S. Rea

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


Self-luminous electronic devices emit optical radiation at short wavelengths, close to the peak sensitivity of melatonin suppression. The present paper investigated if light from a 178-cm (70 in.) television suppressed melatonin. Results showed that light from televisions does not impact melatonin levels in the evening.

Original languageEnglish
Pages (from-to)417-421
Number of pages5
JournalJournal of the Society for Information Display
Issue number10
StatePublished - Oct 2013
Externally publishedYes


  • blue light
  • circadian disruption
  • correlated color temperature
  • melatonin levels
  • sleep
  • television


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