Comment on

• Impact of sleep on female and male reproductive functions: a systematic review.

  Caetano G, Bozinovic I, Dupont C, Léger D, Lévy R, Sermondade N. Caetano G, et al. Fertil Steril. 2021 Mar;115(3):715-731. doi: 10.1016/j.fertnstert.2020.08.1429. Epub 2020 Oct 11. Fertil Steril. 2021. PMID: 33054981
• Tomato and lycopene and multiple health outcomes: Umbrella review.

  Li N, Wu X, Zhuang W, Xia L, Chen Y, Wu C, Rao Z, Du L, Zhao R, Yi M, Wan Q, Zhou Y. Li N, et al. Food Chem. 2021 May 1;343:128396. doi: 10.1016/j.foodchem.2020.128396. Epub 2020 Oct 15. Food Chem. 2021. PMID: 33131949
• Efficacy of the second micro-testicular sperm extraction after failed first micro-testicular sperm extraction in men with nonobstructive azoospermia.

  Özman O, Tosun S, Bayazıt N, Cengiz S, Bakırcıoğlu ME. Özman O, et al. Fertil Steril. 2021 Apr;115(4):915-921. doi: 10.1016/j.fertnstert.2020.10.005. Epub 2020 Dec 23. Fertil Steril. 2021. PMID: 33358250
• Clinical and seminal parameters associated with testicular microlithiasis and its severity in males from infertile couples.

  D'Andrea S, Martorella A, Castellini C, Cordeschi G, Totaro M, Parisi A, Francavilla F, Necozione S, Francavilla S, Barbonetti A. D'Andrea S, et al. Hum Reprod. 2021 Mar 18;36(4):891-898. doi: 10.1093/humrep/deaa354. Hum Reprod. 2021. PMID: 33406236
• Electroejaculation in men with spinal cord injury: a step-by-step video demonstration.

  Ibrahim E, Aballa TC, Brackett NL, Lynne CM. Ibrahim E, et al. Fertil Steril. 2021 May;115(5):1344-1346. doi: 10.1016/j.fertnstert.2021.01.012. Epub 2021 Mar 10. Fertil Steril. 2021. PMID: 33712290