Cover - shares	6 Months Ended
	Jun. 30, 2023	Aug. 18, 2023
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Jun. 30, 2023
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2023
Current Fiscal Year End Date	--12-31
Entity File Number	1-16467
Entity Registrant Name	RESPIRERX PHARMACEUTICALS INC.
Entity Central Index Key	0000849636
Entity Tax Identification Number	33-0303583
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	126 Valley Road
Entity Address, Address Line Two	Suite C
Entity Address, City or Town	Glen Rock
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	07452
City Area Code	(201)
Local Phone Number	444-4947
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		275,728,647
Entity Information, Former Legal or Registered Name	Not applicable