18 March 2017 Last updated at 17:34 GMT
She made the remark during her speech to her party's conference meeting in Aberdeen.
Ms Sturgeon told more than 2,000 delegates: "She has time to think again and I hope she does. If her concern is timing then - within reason - I am happy to have that discussion.
"But let the prime minister be in no doubt. The will of our parliament must and will prevail."
Scotland's First Minister and SNP leader Nicola Sturgeon says Theresa May could re-think her approach to the timing of a second Scottish independence referendum.