The results showed that a single dose of Viagra significantly increased the amount of sleep time with a lower blood oxygen saturation level. The average blood oxygen saturation level was also lower after taking Viagra vs. placebo.Sep 22, 2006
What happens if you take Viagra before sleeping?
Sildenafil taken at bedtime significantly increases nocturnal erections: Results of a placebo-controlled study.Mar 29, 2021
Can Viagra cause insomnia?
Summary. Commonly reported side effects of sildenafil include: dyspepsia, headache, visual disturbance, and flushing. Other side effects include: epistaxis, insomnia, nasal congestion, and rhinitis.Jan 1, 2023
How long before bed should I take Viagra?
Generally Viagra requires 30-60 minutes to take effect, therefore take Viagra at least one hour before you intend to have sex.
Can I use Viagra for first night?
Viagra is a popular medication that’s used to help you achieve and maintain an erection — but it only works if you’re aroused. You can take Viagra 30 minutes to up to 4 hours before sexual activity, but it shouldn’t be taken more than once daily.Sep 28, 2021
How long will Viagra make me last in bed?
Viagra typically starts working within 30 to 60 minutes and lasts for about 2 to 3 hours after that. Seek medical attention if you experience an erection lasting longer than 4 hours.
