Pink Noise — 5 Hours
5 Hours de pink noise — sans pub, sans coupure. Gratuit avec minuterie de sommeil.
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Pink Noise for 5 hours
Pink Noise for 5 hours is ideal for extended work shift, full study day, background coverage. Five hours covers an extended work shift or a full study day with breaks.
Pink noise loses about 3 decibels per octave as frequency increases — halfway between the brightness of white noise and the depth of brown noise. The result sounds like a gentle waterfall, steady rain, or wind through trees — natural, balanced, and warm. Pink noise has the strongest scientific evidence of any ambient sound. A Northwestern University study found it extends deep sleep (slow-wave sleep) by 25% and improves next-day memory recall, because its frequency profile matches the brain's own sleep oscillation patterns. A systematic review by Capezuti et al. (2022) found that 81.9% of pink noise studies showed positive sleep outcomes, compared to just 33% for white noise. For older adults, pink noise improved memory recall by 3x (Papalambros et al., 2017). Important caveat: Basner et al. (2025, UPenn) found continuous pink noise at 50 dB reduces REM sleep by 18–19 minutes — use a sleep timer.
Idéal pour
5 Hours — quand utiliser
Five hours covers an extended work shift or a full study day with breaks. This is practical coverage for a morning-to-lunch or afternoon-to-evening block. The sound loops seamlessly, so there's no jarring restart. At this duration, consider keeping volume lower (35-45 dB) - extended listening at higher volumes causes auditory fatigue even with pleasant sounds.
Pink Noise — toutes les durées
Variantes de Pink Noise
Aussi en 5 hours
Pourquoi Softly
Zéro pub. Jamais.
Pas d'interruption pendant le sommeil. Pas de pub à 3h du matin. Juste du son.
Minuterie avec fondu
Le son vous aide à vous endormir. Le fondu progressif respecte vos cycles de sommeil.
Mode hors ligne
Pas de mise en mémoire tampon. Pas de WiFi nécessaire. Téléchargez et écoutez partout.
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Questions fréquentes
What is pink noise?
Balanced noise that loses 3 dB per octave. Sounds like a gentle waterfall or steady rain. Has the strongest scientific evidence of any ambient sound for sleep.
Is pink noise good for sleep?
Yes — pink noise rates 5/5 for sleep on Softly. Pink noise loses about 3 decibels per octave as frequency increases — halfway between the brightness of white noise and the depth of brown noise. The result sounds like a gentle waterfall, steady rain, or wind through trees — natural, balanced, and warm.
How long should I listen to pink noise?
Five hours covers an extended work shift or a full study day with breaks. This is practical coverage for a morning-to-lunch or afternoon-to-evening block. The sound loops seamlessly, so there's no jarring restart. At this duration, consider keeping volume lower (35-45 dB) - extended listening at higher volumes causes auditory fatigue even with pleasant sounds.