Night Swannies block over 99% of blue light, giving your body’s natural clock the signals it needs to prepare for sleep, including naturally produced melatonin, the sleep-promoting hormone. The calming lenses allow you to continue using your electronic devices without them impacting your sleep.

Fitover Night Swannies by Swanwick have been designed with precise standards so you always get a secure, comfortable fit over the top of your existing prescription glasses. For those who already wear glasses, these fitover blue light blockers easily slip over and attach to your existing frames, providing you protection from harmful blue light spectrums before bedtime.

• Block 99-100% of blue light in the evening to fall asleep easily.
• Get good quality sleep with no tossing and turning at night.
• Wake up feeling rested and energized.
• Use your electronic devices before bed without them affecting your sleep.
• Protects against eye strain.