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


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 70-inch television suppressed melatonin. Results showed that light from televisions does not impact melatonin levels in the evening.

Original languageEnglish
Pages (from-to)656-659
Number of pages4
JournalDigest of Technical Papers - SID International Symposium
Issue number1
StatePublished - Jun 2013
Externally publishedYes


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


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